ip_conntrack table is full with razor requests. Something isn't timing out.

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List,

Since upgrading to 2.6.10 I have been having problems with my ip_conntrack table filling up. It appears it is full of razor (http://razor.sf.net) requests from my internal mail server.

I raised the ip_conntrack_max to 8192 and there are only a few hosts behind nat so I am certain something isn't getting flushed out.

How do I go about diagnosing this. What specifically does ip_conntrack need to see in the tcp session to mark the session as expired in the table?

Thanks,

schu

tcp 6 424864 ESTABLISHED src=192.168.98.2 dst=66.151.150.12 sport=51075 dport=2703 packets=9 bytes=421 src=66.151.150.12 dst=64.181.100.18 sport=2703 dport=51075 packets=7 bytes=577 [ASSURED] mark=0 use=1
tcp 6 401401 ESTABLISHED src=192.168.98.2 dst=66.151.150.35 sport=50791 dport=2703 packets=7 bytes=317 src=66.151.150.35 dst=64.181.100.18 sport=2703 dport=50791 packets=5 bytes=370 [ASSURED] mark=0 use=1
tcp 6 393358 ESTABLISHED src=192.168.98.2 dst=66.151.150.12 sport=50627 dport=2703 packets=8 bytes=365 src=66.151.150.12 dst=64.181.100.18 sport=2703 dport=50627 packets=5 bytes=370 [ASSURED] mark=0 use=1
tcp 6 376557 ESTABLISHED src=192.168.98.2 dst=66.151.150.35 sport=49950 dport=2703 packets=9 bytes=421 src=66.151.150.35 dst=64.181.100.18 sport=2703 dport=49950 packets=7 bytes=577 [ASSURED] mark=0 use=1
tcp 6 369805 ESTABLISHED src=192.168.98.2 dst=66.151.150.12 sport=48990 dport=2703 packets=7 bytes=317 src=66.151.150.12 dst=64.181.100.18 sport=2703 dport=48990 packets=5 bytes=370 [ASSURED] mark=0 use=1
tcp 6 368538 ESTABLISHED src=192.168.98.2 dst=66.151.150.35 sport=48738 dport=2703 packets=7 bytes=317 src=66.151.150.35 dst=64.181.100.18 sport=2703 dport=48738 packets=5 bytes=370 [ASSURED] mark=0 use=1
tcp 6 365641 ESTABLISHED src=192.168.98.2 dst=66.151.150.12 sport=47914 dport=2703 packets=9 bytes=421 src=66.151.150.12 dst=64.181.100.18 sport=2703 dport=47914 packets=7 bytes=577 [ASSURED] mark=0 use=1



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